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...esh sieve (0.297 mm) and PAC material as finer material, while [[ASTM International|ASTM]] classifies particle sizes corresponding to an 80-mesh sieve (0.177&n ...carbons are used for [[water treatment]], deodourisation and separation of components of flow system. GAC can be either in the granular form or extruded. GAC is

...Blackbushe 1954.jpg|thumb|Oxford communications aircraft of [[RAF Marham]] Station Flight at [[Blackbushe Airport]] in September 1955]] ...rt table.<ref name="Mod p630"/> Aft of the cockpit was a wireless operator station, facing aft on the starboard side of the [[fuselage]]. On the Oxford I, a [

Porous pavements give urban trees the rooting space they need to grow to full size. A "structural-soil" pavement base combines ...ommercial [[Plant nursery|nurseries]], [[recycling]] facilities, [[Filling station|fueling stations]], industrial storage, [[marina]]s, some outdoor [[Loading

...ation|hydration]]. The water reacts with the cement, which bonds the other components together, eventually creating a stone-like material. Concrete is used to ma ...ete or Rock|author=Donald H. Campbell and Robertt L. Folk|journal=Concrete International|volume=13|issue=8|pages=28 & 30–39|postscript=<!--None-->}}</ref>

As part of overall risk and safety management, employers often include components designed to create a culture in which employees share a common [[goal]] of ...ively monitored as a predicitive indicator of potential safety risk. These components include: situational, behavioural, and psychological aspects.<ref>(Gadd S a

...r. Hoffman was a professional statistician, employed by Prudential with an international reputation on public health matters.</ref> ...rality of Vermont and New York State Talc Workers, Proceedings of the 11th International Pneumoconiosis Conference. Epidemiology - Fibers, pp. 1576-1581, Aug. 1988<

.... This later became adopted internationally through the standards of the [[International Civil Aviation Organization]] (ICAO). ...nnsylvania|Pittsburgh]] in 1938. A form of ILS was adopted by the ICAO for international use in 1949.

...ockwell Collins, Inc.''' ({{nyse|COL}}) is a large [[United States]]-based international company headquartered in [[Cedar Rapids]], [[Iowa]], primarily providing [[ ...oviding voice communication for every American astronaut traveling through space. In 1973, the U.S. [[Skylab]] Program used Collins equipment to provide com

...one conversations onto a single channel; the selection of a chosen [[radio station]] in a [[radio receiver]] and rejection of others. ...g applications, that is, where it is required to pass particular frequency components and to reject others from analogue ([[Continuous signal|continuous-time]])

| isbn = 184728526}}</ref> A few receive the [[Shortwave bands|49-meter]] international [[shortwave]] band, but strong signals are required. The first crystal set | accessdate = 2009-12-05}}</ref> It consists at a minimum of these components:<ref name="Williams" /><ref name="Lescarboura" >{{Cite book

Phase-locked loops are widely used for [[synchronization]] purposes; in space [[telecommunication|communications]] for [[coherent demodulation]] and [[th ...terminals, the transmission and reception circuits are built with discrete components to achieve the levels of performance required. GSM local oscillator modules